20147281300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{106543}}^1$

素因数の和:106649

約数の個数: 72

約数和(自身を含む): 45870175232

約数和(自身を除く): 25722893932

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 775, 1220, 1525, 1550, 1891, 3050, 3100, 3782, 6100, 7564, 9455, 18910, 37820, 47275, 94550, 106543, 189100, 213086, 426172, 532715, 1065430, 2130860, 2663575, 3302833, 5327150, 6499123, 6605666, 10654300, 12998246, 13211332, 16514165, 25996492, 32495615, 33028330, 64991230, 66056660, 82570825, 129982460, 162478075, 165141650, 201472813, 324956150, 330283300, 402945626, 649912300, 805891252, 1007364065, 2014728130, 4029456260, 5036820325, 10073640650, 20147281300]

約数ペア:

[(1, 20147281300), (2, 10073640650), (4, 5036820325), (5, 4029456260), (10, 2014728130), (20, 1007364065), (25, 805891252), (31, 649912300), (50, 402945626), (61, 330283300), (62, 324956150), (100, 201472813), (122, 165141650), (124, 162478075), (155, 129982460), (244, 82570825), (305, 66056660), (310, 64991230), (610, 33028330), (620, 32495615), (775, 25996492), (1220, 16514165), (1525, 13211332), (1550, 12998246), (1891, 10654300), (3050, 6605666), (3100, 6499123), (3782, 5327150), (6100, 3302833), (7564, 2663575), (9455, 2130860), (18910, 1065430), (37820, 532715), (47275, 426172), (94550, 213086), (106543, 189100)]