900651680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 144

約数和(自身を含む): 2322722304

約数和(自身を除く): 1422070624

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 361, 380, 496, 503, 589, 608, 620, 722, 760, 992, 1006, 1178, 1240, 1444, 1520, 1805, 2012, 2356, 2480, 2515, 2888, 2945, 3040, 3610, 4024, 4712, 4960, 5030, 5776, 5890, 7220, 8048, 9424, 9557, 10060, 11191, 11552, 11780, 14440, 15593, 16096, 18848, 19114, 20120, 22382, 23560, 28880, 31186, 38228, 40240, 44764, 47120, 47785, 55955, 57760, 62372, 76456, 77965, 80480, 89528, 94240, 95570, 111910, 124744, 152912, 155930, 179056, 181583, 191140, 223820, 249488, 296267, 305824, 311860, 358112, 363166, 382280, 447640, 498976, 592534, 623720, 726332, 764560, 895280, 907915, 1185068, 1247440, 1452664, 1481335, 1529120, 1790560, 1815830, 2370136, 2494880, 2905328, 2962670, 3631660, 4740272, 5629073, 5810656, 5925340, 7263320, 9480544, 11258146, 11850680, 14526640, 22516292, 23701360, 28145365, 29053280, 45032584, 47402720, 56290730, 90065168, 112581460, 180130336, 225162920, 450325840, 900651680]

約数ペア:

[(1, 900651680), (2, 450325840), (4, 225162920), (5, 180130336), (8, 112581460), (10, 90065168), (16, 56290730), (19, 47402720), (20, 45032584), (31, 29053280), (32, 28145365), (38, 23701360), (40, 22516292), (62, 14526640), (76, 11850680), (80, 11258146), (95, 9480544), (124, 7263320), (152, 5925340), (155, 5810656), (160, 5629073), (190, 4740272), (248, 3631660), (304, 2962670), (310, 2905328), (361, 2494880), (380, 2370136), (496, 1815830), (503, 1790560), (589, 1529120), (608, 1481335), (620, 1452664), (722, 1247440), (760, 1185068), (992, 907915), (1006, 895280), (1178, 764560), (1240, 726332), (1444, 623720), (1520, 592534), (1805, 498976), (2012, 447640), (2356, 382280), (2480, 363166), (2515, 358112), (2888, 311860), (2945, 305824), (3040, 296267), (3610, 249488), (4024, 223820), (4712, 191140), (4960, 181583), (5030, 179056), (5776, 155930), (5890, 152912), (7220, 124744), (8048, 111910), (9424, 95570), (9557, 94240), (10060, 89528), (11191, 80480), (11552, 77965), (11780, 76456), (14440, 62372), (15593, 57760), (16096, 55955), (18848, 47785), (19114, 47120), (20120, 44764), (22382, 40240), (23560, 38228), (28880, 31186)]