491826555280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4507}}^1\times {\mathrm{80239}}^1$

素因数の和:84776

約数の個数: 80

約数和(自身を含む): 1211044988160

約数和(自身を除く): 719218432880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 4507, 9014, 18028, 22535, 36056, 45070, 72112, 76619, 80239, 90140, 153238, 160478, 180280, 306476, 320956, 360560, 383095, 401195, 612952, 641912, 766190, 802390, 1225904, 1283824, 1364063, 1532380, 1604780, 2728126, 3064760, 3209560, 5456252, 6129520, 6419120, 6820315, 10912504, 13640630, 21825008, 27281260, 54562520, 109125040, 361637173, 723274346, 1446548692, 1808185865, 2893097384, 3616371730, 5786194768, 6147831941, 7232743460, 12295663882, 14465486920, 24591327764, 28930973840, 30739159705, 49182655528, 61478319410, 98365311056, 122956638820, 245913277640, 491826555280]

約数ペア:

[(1, 491826555280), (2, 245913277640), (4, 122956638820), (5, 98365311056), (8, 61478319410), (10, 49182655528), (16, 30739159705), (17, 28930973840), (20, 24591327764), (34, 14465486920), (40, 12295663882), (68, 7232743460), (80, 6147831941), (85, 5786194768), (136, 3616371730), (170, 2893097384), (272, 1808185865), (340, 1446548692), (680, 723274346), (1360, 361637173), (4507, 109125040), (9014, 54562520), (18028, 27281260), (22535, 21825008), (36056, 13640630), (45070, 10912504), (72112, 6820315), (76619, 6419120), (80239, 6129520), (90140, 5456252), (153238, 3209560), (160478, 3064760), (180280, 2728126), (306476, 1604780), (320956, 1532380), (360560, 1364063), (383095, 1283824), (401195, 1225904), (612952, 802390), (641912, 766190)]