998556500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2874

約数の個数: 96

約数和(自身を含む): 2349914112

約数和(自身を除く): 1351357612

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 125, 155, 230, 250, 310, 460, 500, 575, 620, 713, 775, 1150, 1426, 1550, 2300, 2801, 2852, 2875, 3100, 3565, 3875, 5602, 5750, 7130, 7750, 11204, 11500, 14005, 14260, 15500, 17825, 28010, 35650, 56020, 64423, 70025, 71300, 86831, 89125, 128846, 140050, 173662, 178250, 257692, 280100, 322115, 347324, 350125, 356500, 434155, 644230, 700250, 868310, 1288460, 1400500, 1610575, 1736620, 1997113, 2170775, 3221150, 3994226, 4341550, 6442300, 7988452, 8052875, 8683100, 9985565, 10853875, 16105750, 19971130, 21707750, 32211500, 39942260, 43415500, 49927825, 99855650, 199711300, 249639125, 499278250, 998556500]

約数ペア:

[(1, 998556500), (2, 499278250), (4, 249639125), (5, 199711300), (10, 99855650), (20, 49927825), (23, 43415500), (25, 39942260), (31, 32211500), (46, 21707750), (50, 19971130), (62, 16105750), (92, 10853875), (100, 9985565), (115, 8683100), (124, 8052875), (125, 7988452), (155, 6442300), (230, 4341550), (250, 3994226), (310, 3221150), (460, 2170775), (500, 1997113), (575, 1736620), (620, 1610575), (713, 1400500), (775, 1288460), (1150, 868310), (1426, 700250), (1550, 644230), (2300, 434155), (2801, 356500), (2852, 350125), (2875, 347324), (3100, 322115), (3565, 280100), (3875, 257692), (5602, 178250), (5750, 173662), (7130, 140050), (7750, 128846), (11204, 89125), (11500, 86831), (14005, 71300), (14260, 70025), (15500, 64423), (17825, 56020), (28010, 35650)]