30481700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 71037120

約数和(自身を除く): 40555420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 263, 305, 380, 475, 526, 610, 950, 1052, 1159, 1220, 1315, 1525, 1900, 2318, 2630, 3050, 4636, 4997, 5260, 5795, 6100, 6575, 9994, 11590, 13150, 16043, 19988, 23180, 24985, 26300, 28975, 32086, 49970, 57950, 64172, 80215, 99940, 115900, 124925, 160430, 249850, 304817, 320860, 401075, 499700, 609634, 802150, 1219268, 1524085, 1604300, 3048170, 6096340, 7620425, 15240850, 30481700]

約数ペア:

[(1, 30481700), (2, 15240850), (4, 7620425), (5, 6096340), (10, 3048170), (19, 1604300), (20, 1524085), (25, 1219268), (38, 802150), (50, 609634), (61, 499700), (76, 401075), (95, 320860), (100, 304817), (122, 249850), (190, 160430), (244, 124925), (263, 115900), (305, 99940), (380, 80215), (475, 64172), (526, 57950), (610, 49970), (950, 32086), (1052, 28975), (1159, 26300), (1220, 24985), (1315, 23180), (1525, 19988), (1900, 16043), (2318, 13150), (2630, 11590), (3050, 9994), (4636, 6575), (4997, 6100), (5260, 5795)]