189953920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 526075200

約数和(自身を除く): 336121280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 79, 80, 85, 104, 128, 130, 136, 158, 160, 170, 208, 221, 260, 272, 289, 316, 320, 340, 395, 416, 442, 520, 544, 578, 632, 640, 680, 790, 832, 884, 1027, 1040, 1088, 1105, 1156, 1264, 1343, 1360, 1445, 1580, 1664, 1768, 2054, 2080, 2176, 2210, 2312, 2528, 2686, 2720, 2890, 3160, 3536, 3757, 4108, 4160, 4420, 4624, 5056, 5135, 5372, 5440, 5780, 6320, 6715, 7072, 7514, 8216, 8320, 8840, 9248, 10112, 10270, 10744, 10880, 11560, 12640, 13430, 14144, 15028, 16432, 17459, 17680, 18496, 18785, 20540, 21488, 22831, 23120, 25280, 26860, 28288, 30056, 32864, 34918, 35360, 36992, 37570, 41080, 42976, 45662, 46240, 50560, 53720, 60112, 65728, 69836, 70720, 75140, 82160, 85952, 87295, 91324, 92480, 107440, 114155, 120224, 131456, 139672, 141440, 150280, 164320, 171904, 174590, 182648, 184960, 214880, 228310, 240448, 279344, 296803, 300560, 328640, 349180, 365296, 429760, 456620, 480896, 558688, 593606, 601120, 657280, 698360, 730592, 859520, 913240, 1117376, 1187212, 1202240, 1396720, 1461184, 1484015, 1826480, 2234752, 2374424, 2404480, 2793440, 2922368, 2968030, 3652960, 4748848, 5586880, 5936060, 7305920, 9497696, 11173760, 11872120, 14611840, 18995392, 23744240, 37990784, 47488480, 94976960, 189953920]

約数ペア:

[(1, 189953920), (2, 94976960), (4, 47488480), (5, 37990784), (8, 23744240), (10, 18995392), (13, 14611840), (16, 11872120), (17, 11173760), (20, 9497696), (26, 7305920), (32, 5936060), (34, 5586880), (40, 4748848), (52, 3652960), (64, 2968030), (65, 2922368), (68, 2793440), (79, 2404480), (80, 2374424), (85, 2234752), (104, 1826480), (128, 1484015), (130, 1461184), (136, 1396720), (158, 1202240), (160, 1187212), (170, 1117376), (208, 913240), (221, 859520), (260, 730592), (272, 698360), (289, 657280), (316, 601120), (320, 593606), (340, 558688), (395, 480896), (416, 456620), (442, 429760), (520, 365296), (544, 349180), (578, 328640), (632, 300560), (640, 296803), (680, 279344), (790, 240448), (832, 228310), (884, 214880), (1027, 184960), (1040, 182648), (1088, 174590), (1105, 171904), (1156, 164320), (1264, 150280), (1343, 141440), (1360, 139672), (1445, 131456), (1580, 120224), (1664, 114155), (1768, 107440), (2054, 92480), (2080, 91324), (2176, 87295), (2210, 85952), (2312, 82160), (2528, 75140), (2686, 70720), (2720, 69836), (2890, 65728), (3160, 60112), (3536, 53720), (3757, 50560), (4108, 46240), (4160, 45662), (4420, 42976), (4624, 41080), (5056, 37570), (5135, 36992), (5372, 35360), (5440, 34918), (5780, 32864), (6320, 30056), (6715, 28288), (7072, 26860), (7514, 25280), (8216, 23120), (8320, 22831), (8840, 21488), (9248, 20540), (10112, 18785), (10270, 18496), (10744, 17680), (10880, 17459), (11560, 16432), (12640, 15028), (13430, 14144)]