280266350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2050

約数の個数: 96

約数和(自身を含む): 662624256

約数和(自身を除く): 382357906

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 130, 155, 175, 182, 217, 310, 325, 350, 403, 434, 455, 650, 775, 806, 910, 1085, 1550, 1987, 2015, 2170, 2275, 2821, 3974, 4030, 4550, 5425, 5642, 9935, 10075, 10850, 13909, 14105, 19870, 20150, 25831, 27818, 28210, 49675, 51662, 61597, 69545, 70525, 99350, 123194, 129155, 139090, 141050, 180817, 258310, 307985, 347725, 361634, 431179, 615970, 645775, 695450, 800761, 862358, 904085, 1291550, 1539925, 1601522, 1808170, 2155895, 3079850, 4003805, 4311790, 4520425, 5605327, 8007610, 9040850, 10779475, 11210654, 20019025, 21558950, 28026635, 40038050, 56053270, 140133175, 280266350]

約数ペア:

[(1, 280266350), (2, 140133175), (5, 56053270), (7, 40038050), (10, 28026635), (13, 21558950), (14, 20019025), (25, 11210654), (26, 10779475), (31, 9040850), (35, 8007610), (50, 5605327), (62, 4520425), (65, 4311790), (70, 4003805), (91, 3079850), (130, 2155895), (155, 1808170), (175, 1601522), (182, 1539925), (217, 1291550), (310, 904085), (325, 862358), (350, 800761), (403, 695450), (434, 645775), (455, 615970), (650, 431179), (775, 361634), (806, 347725), (910, 307985), (1085, 258310), (1550, 180817), (1987, 141050), (2015, 139090), (2170, 129155), (2275, 123194), (2821, 99350), (3974, 70525), (4030, 69545), (4550, 61597), (5425, 51662), (5642, 49675), (9935, 28210), (10075, 27818), (10850, 25831), (13909, 20150), (14105, 19870)]