253984760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 615375360

約数和(自身を除く): 361390600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 173, 254, 289, 340, 346, 508, 578, 635, 680, 692, 865, 1016, 1156, 1270, 1384, 1445, 1730, 2159, 2312, 2540, 2890, 2941, 3460, 4318, 5080, 5780, 5882, 6920, 8636, 10795, 11560, 11764, 14705, 17272, 21590, 21971, 23528, 29410, 36703, 43180, 43942, 49997, 58820, 73406, 86360, 87884, 99994, 109855, 117640, 146812, 175768, 183515, 199988, 219710, 249985, 293624, 367030, 373507, 399976, 439420, 499970, 734060, 747014, 878840, 999940, 1468120, 1494028, 1867535, 1999880, 2988056, 3735070, 6349619, 7470140, 12699238, 14940280, 25398476, 31748095, 50796952, 63496190, 126992380, 253984760]

約数ペア:

[(1, 253984760), (2, 126992380), (4, 63496190), (5, 50796952), (8, 31748095), (10, 25398476), (17, 14940280), (20, 12699238), (34, 7470140), (40, 6349619), (68, 3735070), (85, 2988056), (127, 1999880), (136, 1867535), (170, 1494028), (173, 1468120), (254, 999940), (289, 878840), (340, 747014), (346, 734060), (508, 499970), (578, 439420), (635, 399976), (680, 373507), (692, 367030), (865, 293624), (1016, 249985), (1156, 219710), (1270, 199988), (1384, 183515), (1445, 175768), (1730, 146812), (2159, 117640), (2312, 109855), (2540, 99994), (2890, 87884), (2941, 86360), (3460, 73406), (4318, 58820), (5080, 49997), (5780, 43942), (5882, 43180), (6920, 36703), (8636, 29410), (10795, 23528), (11560, 21971), (11764, 21590), (14705, 17272)]