201999100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3895

約数の個数: 72

約数和(自身を含む): 479219328

約数和(自身を除く): 277220228

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1700, 2108, 2635, 3100, 3833, 5270, 7666, 10540, 13175, 15332, 19165, 26350, 38330, 52700, 65161, 76660, 95825, 118823, 130322, 191650, 237646, 260644, 325805, 383300, 475292, 594115, 651610, 1188230, 1303220, 1629025, 2019991, 2376460, 2970575, 3258050, 4039982, 5941150, 6516100, 8079964, 10099955, 11882300, 20199910, 40399820, 50499775, 100999550, 201999100]

約数ペア:

[(1, 201999100), (2, 100999550), (4, 50499775), (5, 40399820), (10, 20199910), (17, 11882300), (20, 10099955), (25, 8079964), (31, 6516100), (34, 5941150), (50, 4039982), (62, 3258050), (68, 2970575), (85, 2376460), (100, 2019991), (124, 1629025), (155, 1303220), (170, 1188230), (310, 651610), (340, 594115), (425, 475292), (527, 383300), (620, 325805), (775, 260644), (850, 237646), (1054, 191650), (1550, 130322), (1700, 118823), (2108, 95825), (2635, 76660), (3100, 65161), (3833, 52700), (5270, 38330), (7666, 26350), (10540, 19165), (13175, 15332)]