421642300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 967559600

約数和(自身を除く): 545917300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 313, 380, 475, 626, 709, 950, 1252, 1418, 1565, 1900, 2836, 3130, 3545, 5947, 6260, 7090, 7825, 11894, 13471, 14180, 15650, 17725, 23788, 26942, 29735, 31300, 35450, 53884, 59470, 67355, 70900, 118940, 134710, 148675, 221917, 269420, 297350, 336775, 443834, 594700, 673550, 887668, 1109585, 1347100, 2219170, 4216423, 4438340, 5547925, 8432846, 11095850, 16865692, 21082115, 22191700, 42164230, 84328460, 105410575, 210821150, 421642300]

約数ペア:

[(1, 421642300), (2, 210821150), (4, 105410575), (5, 84328460), (10, 42164230), (19, 22191700), (20, 21082115), (25, 16865692), (38, 11095850), (50, 8432846), (76, 5547925), (95, 4438340), (100, 4216423), (190, 2219170), (313, 1347100), (380, 1109585), (475, 887668), (626, 673550), (709, 594700), (950, 443834), (1252, 336775), (1418, 297350), (1565, 269420), (1900, 221917), (2836, 148675), (3130, 134710), (3545, 118940), (5947, 70900), (6260, 67355), (7090, 59470), (7825, 53884), (11894, 35450), (13471, 31300), (14180, 29735), (15650, 26942), (17725, 23788)]