219928040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 536263200

約数和(自身を除く): 316335160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 131, 152, 188, 190, 235, 262, 376, 380, 470, 524, 655, 760, 893, 940, 1048, 1310, 1786, 1880, 2209, 2489, 2620, 3572, 4418, 4465, 4978, 5240, 6157, 7144, 8836, 8930, 9956, 11045, 12314, 12445, 17672, 17860, 19912, 22090, 24628, 24890, 30785, 35720, 41971, 44180, 49256, 49780, 61570, 83942, 88360, 99560, 116983, 123140, 167884, 209855, 233966, 246280, 289379, 335768, 419710, 467932, 578758, 584915, 839420, 935864, 1157516, 1169830, 1446895, 1678840, 2315032, 2339660, 2893790, 4679320, 5498201, 5787580, 10996402, 11575160, 21992804, 27491005, 43985608, 54982010, 109964020, 219928040]

約数ペア:

[(1, 219928040), (2, 109964020), (4, 54982010), (5, 43985608), (8, 27491005), (10, 21992804), (19, 11575160), (20, 10996402), (38, 5787580), (40, 5498201), (47, 4679320), (76, 2893790), (94, 2339660), (95, 2315032), (131, 1678840), (152, 1446895), (188, 1169830), (190, 1157516), (235, 935864), (262, 839420), (376, 584915), (380, 578758), (470, 467932), (524, 419710), (655, 335768), (760, 289379), (893, 246280), (940, 233966), (1048, 209855), (1310, 167884), (1786, 123140), (1880, 116983), (2209, 99560), (2489, 88360), (2620, 83942), (3572, 61570), (4418, 49780), (4465, 49256), (4978, 44180), (5240, 41971), (6157, 35720), (7144, 30785), (8836, 24890), (8930, 24628), (9956, 22090), (11045, 19912), (12314, 17860), (12445, 17672)]