638961050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 1470655872

約数和(自身を除く): 831694822

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 317, 325, 350, 443, 455, 634, 650, 886, 910, 1585, 2215, 2219, 2275, 3101, 3170, 4121, 4430, 4438, 4550, 5759, 6202, 7925, 8242, 11075, 11095, 11518, 15505, 15850, 20605, 22150, 22190, 28795, 28847, 31010, 40313, 41210, 55475, 57590, 57694, 77525, 80626, 103025, 110950, 140431, 143975, 144235, 155050, 201565, 206050, 280862, 287950, 288470, 403130, 702155, 721175, 983017, 1007825, 1404310, 1442350, 1825603, 1966034, 2015650, 3510775, 3651206, 4915085, 7021550, 9128015, 9830170, 12779221, 18256030, 24575425, 25558442, 45640075, 49150850, 63896105, 91280150, 127792210, 319480525, 638961050]

約数ペア:

[(1, 638961050), (2, 319480525), (5, 127792210), (7, 91280150), (10, 63896105), (13, 49150850), (14, 45640075), (25, 25558442), (26, 24575425), (35, 18256030), (50, 12779221), (65, 9830170), (70, 9128015), (91, 7021550), (130, 4915085), (175, 3651206), (182, 3510775), (317, 2015650), (325, 1966034), (350, 1825603), (443, 1442350), (455, 1404310), (634, 1007825), (650, 983017), (886, 721175), (910, 702155), (1585, 403130), (2215, 288470), (2219, 287950), (2275, 280862), (3101, 206050), (3170, 201565), (4121, 155050), (4430, 144235), (4438, 143975), (4550, 140431), (5759, 110950), (6202, 103025), (7925, 80626), (8242, 77525), (11075, 57694), (11095, 57590), (11518, 55475), (15505, 41210), (15850, 40313), (20605, 31010), (22150, 28847), (22190, 28795)]