988393980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 3247792128

約数和(自身を除く): 2259398148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 173, 183, 210, 223, 244, 305, 346, 366, 420, 427, 446, 519, 610, 669, 692, 732, 854, 865, 892, 915, 1038, 1115, 1211, 1220, 1281, 1338, 1561, 1708, 1730, 1830, 2076, 2135, 2230, 2422, 2562, 2595, 2676, 3122, 3345, 3460, 3633, 3660, 4270, 4460, 4683, 4844, 5124, 5190, 6055, 6244, 6405, 6690, 7266, 7805, 8540, 9366, 10380, 10553, 12110, 12810, 13380, 13603, 14532, 15610, 18165, 18732, 21106, 23415, 24220, 25620, 27206, 31220, 31659, 36330, 38579, 40809, 42212, 46830, 52765, 54412, 63318, 68015, 72660, 73871, 77158, 81618, 93660, 95221, 105530, 115737, 126636, 136030, 147742, 154316, 158295, 163236, 190442, 192895, 204045, 211060, 221613, 231474, 270053, 272060, 285663, 295484, 316590, 369355, 380884, 385790, 408090, 443226, 462948, 476105, 540106, 571326, 578685, 633180, 738710, 771580, 810159, 816180, 886452, 952210, 1080212, 1108065, 1142652, 1157370, 1350265, 1428315, 1477420, 1620318, 1904420, 2216130, 2314740, 2353319, 2700530, 2856630, 3240636, 4050795, 4432260, 4706638, 5401060, 5713260, 7059957, 8101590, 9413276, 11766595, 14119914, 16203180, 16473233, 23533190, 28239828, 32946466, 35299785, 47066380, 49419699, 65892932, 70599570, 82366165, 98839398, 141199140, 164732330, 197678796, 247098495, 329464660, 494196990, 988393980]

約数ペア:

[(1, 988393980), (2, 494196990), (3, 329464660), (4, 247098495), (5, 197678796), (6, 164732330), (7, 141199140), (10, 98839398), (12, 82366165), (14, 70599570), (15, 65892932), (20, 49419699), (21, 47066380), (28, 35299785), (30, 32946466), (35, 28239828), (42, 23533190), (60, 16473233), (61, 16203180), (70, 14119914), (84, 11766595), (105, 9413276), (122, 8101590), (140, 7059957), (173, 5713260), (183, 5401060), (210, 4706638), (223, 4432260), (244, 4050795), (305, 3240636), (346, 2856630), (366, 2700530), (420, 2353319), (427, 2314740), (446, 2216130), (519, 1904420), (610, 1620318), (669, 1477420), (692, 1428315), (732, 1350265), (854, 1157370), (865, 1142652), (892, 1108065), (915, 1080212), (1038, 952210), (1115, 886452), (1211, 816180), (1220, 810159), (1281, 771580), (1338, 738710), (1561, 633180), (1708, 578685), (1730, 571326), (1830, 540106), (2076, 476105), (2135, 462948), (2230, 443226), (2422, 408090), (2562, 385790), (2595, 380884), (2676, 369355), (3122, 316590), (3345, 295484), (3460, 285663), (3633, 272060), (3660, 270053), (4270, 231474), (4460, 221613), (4683, 211060), (4844, 204045), (5124, 192895), (5190, 190442), (6055, 163236), (6244, 158295), (6405, 154316), (6690, 147742), (7266, 136030), (7805, 126636), (8540, 115737), (9366, 105530), (10380, 95221), (10553, 93660), (12110, 81618), (12810, 77158), (13380, 73871), (13603, 72660), (14532, 68015), (15610, 63318), (18165, 54412), (18732, 52765), (21106, 46830), (23415, 42212), (24220, 40809), (25620, 38579), (27206, 36330), (31220, 31659)]