31779650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 72852480

約数和(自身を除く): 41072830

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 31, 35, 50, 58, 62, 70, 101, 145, 155, 175, 202, 203, 217, 290, 310, 350, 406, 434, 505, 707, 725, 775, 899, 1010, 1015, 1085, 1414, 1450, 1550, 1798, 2030, 2170, 2525, 2929, 3131, 3535, 4495, 5050, 5075, 5425, 5858, 6262, 6293, 7070, 8990, 10150, 10850, 12586, 14645, 15655, 17675, 20503, 21917, 22475, 29290, 31310, 31465, 35350, 41006, 43834, 44950, 62930, 73225, 78275, 90799, 102515, 109585, 146450, 156550, 157325, 181598, 205030, 219170, 314650, 453995, 512575, 547925, 635593, 907990, 1025150, 1095850, 1271186, 2269975, 3177965, 4539950, 6355930, 15889825, 31779650]

約数ペア:

[(1, 31779650), (2, 15889825), (5, 6355930), (7, 4539950), (10, 3177965), (14, 2269975), (25, 1271186), (29, 1095850), (31, 1025150), (35, 907990), (50, 635593), (58, 547925), (62, 512575), (70, 453995), (101, 314650), (145, 219170), (155, 205030), (175, 181598), (202, 157325), (203, 156550), (217, 146450), (290, 109585), (310, 102515), (350, 90799), (406, 78275), (434, 73225), (505, 62930), (707, 44950), (725, 43834), (775, 41006), (899, 35350), (1010, 31465), (1015, 31310), (1085, 29290), (1414, 22475), (1450, 21917), (1550, 20503), (1798, 17675), (2030, 15655), (2170, 14645), (2525, 12586), (2929, 10850), (3131, 10150), (3535, 8990), (4495, 7070), (5050, 6293), (5075, 6262), (5425, 5858)]