290437420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 815109120

約数和(自身を除く): 524671700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 52, 65, 70, 74, 76, 91, 95, 130, 133, 140, 148, 182, 185, 190, 227, 247, 259, 260, 266, 364, 370, 380, 454, 455, 481, 494, 518, 532, 665, 703, 740, 908, 910, 962, 988, 1036, 1135, 1235, 1295, 1330, 1406, 1589, 1729, 1820, 1924, 2270, 2405, 2470, 2590, 2660, 2812, 2951, 3178, 3367, 3458, 3515, 4313, 4540, 4810, 4921, 4940, 5180, 5902, 6356, 6734, 6916, 7030, 7945, 8399, 8626, 8645, 9139, 9620, 9842, 11804, 13468, 14060, 14755, 15890, 16798, 16835, 17252, 17290, 18278, 19684, 20657, 21565, 24605, 29510, 30191, 31780, 33596, 33670, 34580, 36556, 41314, 41995, 43130, 45695, 49210, 56069, 58793, 59020, 60382, 63973, 67340, 82628, 83990, 86260, 91390, 98420, 103285, 109187, 112138, 117586, 120764, 127946, 150955, 159581, 167980, 182780, 206570, 218374, 224276, 235172, 255892, 280345, 293965, 301910, 319162, 319865, 392483, 413140, 436748, 545935, 560690, 587930, 603820, 638324, 639730, 764309, 784966, 797905, 1091870, 1117067, 1121380, 1175860, 1279460, 1528618, 1569932, 1595810, 1962415, 2074553, 2183740, 2234134, 3057236, 3191620, 3821545, 3924830, 4149106, 4468268, 5585335, 7643090, 7849660, 8298212, 10372765, 11170670, 14521871, 15286180, 20745530, 22341340, 29043742, 41491060, 58087484, 72609355, 145218710, 290437420]

約数ペア:

[(1, 290437420), (2, 145218710), (4, 72609355), (5, 58087484), (7, 41491060), (10, 29043742), (13, 22341340), (14, 20745530), (19, 15286180), (20, 14521871), (26, 11170670), (28, 10372765), (35, 8298212), (37, 7849660), (38, 7643090), (52, 5585335), (65, 4468268), (70, 4149106), (74, 3924830), (76, 3821545), (91, 3191620), (95, 3057236), (130, 2234134), (133, 2183740), (140, 2074553), (148, 1962415), (182, 1595810), (185, 1569932), (190, 1528618), (227, 1279460), (247, 1175860), (259, 1121380), (260, 1117067), (266, 1091870), (364, 797905), (370, 784966), (380, 764309), (454, 639730), (455, 638324), (481, 603820), (494, 587930), (518, 560690), (532, 545935), (665, 436748), (703, 413140), (740, 392483), (908, 319865), (910, 319162), (962, 301910), (988, 293965), (1036, 280345), (1135, 255892), (1235, 235172), (1295, 224276), (1330, 218374), (1406, 206570), (1589, 182780), (1729, 167980), (1820, 159581), (1924, 150955), (2270, 127946), (2405, 120764), (2470, 117586), (2590, 112138), (2660, 109187), (2812, 103285), (2951, 98420), (3178, 91390), (3367, 86260), (3458, 83990), (3515, 82628), (4313, 67340), (4540, 63973), (4810, 60382), (4921, 59020), (4940, 58793), (5180, 56069), (5902, 49210), (6356, 45695), (6734, 43130), (6916, 41995), (7030, 41314), (7945, 36556), (8399, 34580), (8626, 33670), (8645, 33596), (9139, 31780), (9620, 30191), (9842, 29510), (11804, 24605), (13468, 21565), (14060, 20657), (14755, 19684), (15890, 18278), (16798, 17290), (16835, 17252)]